Regulator for gas-burners.



No. 832,159. PATIINTED ocTz, 1906. A. A. PRATT.

REGULATOR POR GAS BURNERS. APPLICATION FILED Nov. '1, 1995.

' UNITED STATES.

PATENT orrion.,

ALLISON A. PRATT, OF NEW YORK, N. Y., ASSIGNOR OF ONE-HALF TOA EDWIN J. SELLEY, NEW YORK, N. Y.

REGULATOR For: GAs-BURNERS.

Specication of Letters Patent.

Patented Oct. 2, 1906.

Application led November '7, 1905. Serial No. 286,220,

invented a new and Im roved Regulator fon Burners, of which the fo lowing is a full,clear,'3l and exact description.

The invention relates to incandescent and other gas burners; and its object is to provide a new and improved regulator arranged for controlling the amount of gas passing from a source of gas-supply into the mixing'-l chamber of the burner to permit an inflam-l mable mixture of the proper proportions of gas and air, according` to the quality and pressure of the gas-supply.

The invention consists of novel features and parts and combinations of the same, as will be more fully described hereinafter and then pointed out in the claims.

A practical embodiment of the invention is represented in the accompanying drawings,

forming a part of this specification, in which similar characters of reference indicate corresponding parts in all the views.

Figure l is a sectional side'elevation of the improvement.. Fig. 2 is a sectional plan view of the same on the line 2 2. of Fig. 1.- Fig. 3 is a plan view of the disk spring. Fig. 4 is a lan view of the valve-seat, and Fig. 5 is a si e elevation of the nipple. Fig. 6 is a vertical section of a modification, the rocking valve-seat being dispensed with.

The nipple a is adapted to be screwed or otherwise secured to a gas-pipe connected with a suitable source of gas-supply, and on the -said nipple screws a mixing-chamber B,

' in which the gas and air are united and mixed to form a combustible or iniiammable mixture of gas and air. The top A of the nipple A is provided with a central aperture A2, registering with a central aperture O', formed in a valve-seat O, mounted on the outer roundedoff surface of the top A of the nipple A, so thatthe valve-seat O is free' .to rock on the top A of the nipple A. The central aperture C of the valve-seat. C is adapted to register with any one of a series 'of openings D, formedin a lever-valve D, resting on top of the valve-seat O and'pressed on at its upper surface by. a disk spri'n E, held within the mixing-chamber B. T e wall of the mixing-chamber B is formed with an opening B,

arranged to leave a depending pivot-pin B2,

forming the fulcrum for the lever-valve D to swing on, the latter being provided at its free end with a suitable handle D2, through an opening' B3, likewise ormed in the wall of the mixing-chamber B, directly opposite the opening B, as plainly illustrated inFigs.land2.

rojecting The series of openings D are arranged on the arc of a circle the center of which coincides with that of the pivot-pin B3, and when the lever-valve D is swung laterally by the operator having hold. of the handle D2 then either of the openings in the said series of openings D can be moved in re ister with the central aperture O on the va ve-seat O.

By having the valve-seat O mounted to rock on the'upper end A of the nipple A it is evident that a very snug fit is had between the lever-valve D and the said valve-seat O to prevent leakage of gas, it being understood that the lever-valve D is pressed on near its middle by the spring-tongues E of the disk spring E, made in dish shape and having the said spring-tongues formed by slots E3, as plainl indicated in Fig. 3. The upturned edge 3 of the disk spring E abuts against an annular shoulder B4, formed in the mixingchamber B, to allow the tongues E to rest on top of the lever-valve D, with a view to hold the same in firm contact with the rocking valve-seat O. The rockingvalve-seat C, as shown in Fig. 4, is provided with a plurality of leak-apertures O2, 'arranged around the central aperture O', so that in case any gas leaks between the rounded-O outer surface of the top A and the under side of the valveseat O then such gas can escape by way of the apertures C2 and mingle in with other gas and air and be burned in the burner and no t escape into the room.

Lateral movement of 4the valve-seat is prevented by an annular flange O3, depending integrally from the outer edge ofthe seat and iitting loosely against an annular shoulder A3, formed on the nipple A. It is understood that when the several partsare assembled and the mixing-chamber .B is screwed down on the nipple A then the disk spring E exerts the desired pressure on the top of the lever-valve D to hold the same in proper contact with the valve-seat C and to hold the latter in proper position on the nipple A.

IOC

It is understood thatthe mixing-chamber B is provided with the usual air-inlet openings B5 for the admission of air to be mixed with the gas passing through the registering 4 ister with the apertures Cf to admit more or less gas to the mixing-chamber B according to the quality and pressure ofthe gas.

Thus from the foregoing it will be seen that the amount oi gas passing from a source :of gas-supply into the mixing-chamber can be readily controlled by the operator to form V an inflammable mixture of' the proper proportions of gas and air according to the quality and pressure of the gas-supply.

It is understood that the rocking valveseat C may be dispensed with and the levervalve D used directly contact with the nipple-top and its aperture A2 to insure a regulation of the flow of gas according to whichever o pening D is in register with'the aperture A2, the nipple-top A" vthen forming the valve-seat for the lever-valve D.

By having the pivot-pin B2 depending, as shown, the lever-valve D is held against leaving the said pivot-pin on screwing the nipple A upon the mixing-chamber B.

Having thus described my invention, I claim as new and desire to secure by Letters Patentl. A regulator for gas-burners, comprising a valve-seat with a central aperture, a levervalve having a series of graduated openings adapted to register with the valve-seat aperture, and a disk sprin above said valve, said disk bein perforate centrally and dished downwar ly whereby to engage the valve around the openings therein, when said openings are in register with the aperture of the valve-seat.

' 2. A regulator for gas-burners, comprising a valve-seat with a central a erture, a levervalve having a series of gra uated openings adapted to register with the valve-seat aperture, a disk spring above said valve, said disk being perforated centrally and dished downwardly whereby to engage the valve around the openings therein when said openings are in register, With the opening of the valve-seat, and a nipple connected with a gas-supply and on which the valve-seat is removably mounted.

3. A regulator for gas-burners, comprising a valve-seat with a central aperture, a levervalve having a series of graduated openings adapted to register with thevalve-seat aperture, a disk spring above. said valve, said disk being perforated centrally and dished downwardly, whereby to engage the valve around the openings therein when said open ings are in register with the aperture of the valve-seat, and a nipple connected with a gas-supply and having a rounded-ofi surface forming a bearing for the said valve-seat to rock on.

4. A regulator for gas-burners, comprising a valve-seat having a central aperture, a lever-valve having a series of graduated openings and adapted to register with the valveseat aperture, a disk spring above said valve, said disk being perforated centrally and dished downwardly, whereby to engage the valve around the openings therein when said openings are in register with the aperture of the valve-seat, and a nipple connected with the gas-supply and having a rounded-ofi surface Jforming a bearing for the said valve-seat to rock on, the latter having leak-openings to allow gas passing between the opposite face of the valve-seat and the said rounded-off surface to escape.

5. A regulator for gas-burners, comprising a nipple for connection with a gas-supply and having an apertured bearing-surface, a diskvalve seat on the said bearing-surface and having an aperture registering with the aperture in the said bearing-surface, a lever-valve in contact with the said valve-seat and having a series of graduated openings adapted to register with the said valve-seat aperture, a mixing-chamber held on the said nipple and provided with an air-inlet, the said mixingchamber having a pivot-pin projecting downward for the said lever-pin to swing on, said lever-valve being held on said pin by the screwing down of the mixing-chamber B, and a disk spring held in the said mixing-chamber and bearing on the said lever-valve.

6. A regulator for gas-burners, comprising a nipple for connection with a gas-supply and having an apertured bearing-surface, a diskvalve seat on the said bearing-surface and having an aperture registering with the aperture in the said bearing-surface, a levervalve in contact with the said valve-seat and having a series of graduated openings adapted to register with the said valve-seat aperture, a mixing-chamber held on the said nipple and provided with an air-inlet, the wall of vthe said mixing-chamber being cut out to form an integral pivot-pin for one end of the said lever-valve to swing on, the free end of the latter extending to the outside of the mixing-chamber, and a disk spring held in the said mixing-chamber and bearing on the said lever-valve.

7. A regulator for gas-burners, comprising a nipple for connection with' a gas-supply and having an apertured bearing-surface, a disk- IOO valve seat on the said bearing-surface and l having an aperture registering with the aperture in the said bearing-surface, a lever-valve in contact with the said valve-seat and having a series of graduated openings adapted to register With the said valve-seat aperture, a mixing-chamber held on the said nipple and provided with an air-inlet7 and a disk spring held in the said mixing-chamber and bearing on the said lever-valve, the said disk spring having its upturned edge seated on a shoulder on the mixing-Chamber.

8. A regulator for gas-burners, comprising a nipple for connection With a gas-supply and having an apertured bearing-surface7 a diskvalve seat on the said bearing-surface and having an aperture registering With the aperture in the said bearing-surface, a lever-valve .in Contact With the said valve-seat and having a series of graduated openings adapted to register with the said valve-seat aperture7 a mixing-chamber held on the said nipple and provided With an air-inlet, and a disk spring held in the said mixing-chamber and bearing on the said lever-valve, the said disk spring 2o In testimony Whereof I have signed my 2 5 name to this specification in the presence of tWo subscribing Witnesses.

ALLISON A. PRATT.

Witnesses:

THEO. G. HosTER, EVERARD B. MARSHALL. 

